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目前，高产高效矿井建设已成煤矿生产发展的必然趋势。建设高产高效矿井的核心是实现一矿一井一面，使生产高度集中化。这就要求综采工作面必须配备大功率、高强度、高可靠性的机电一体化的综采成套设备。其中液压支架也必然向高强度、高工作阻力方向发展，其重量和尺寸也将随
At present, the construction of high yield and high efficiency coal mine has become an inevitable trend of production and development. The core of building high-yield and high-efficiency mines is to realize the mine-well side and make the production highly centralized. This requires that fully mechanized face must be equipped with high-power, high strength, high reliability of mechanical and electrical integration of complete sets of equipment. The hydraulic support also inevitably to high-strength, high work resistance direction, the weight and size will also be